ISS [iSoftStone] SC 13G/A: (Original Filing)
[Joint Filing Agreement Dated: January 17, 2012 Tianwen Liu Tekventure Limited Tianwen Liu Sole director of Tekventure Limited EX-99.(A) 2 d284194dex99a.htm JOINT FILING AGREEMENT] [SCHEDULE 13G CUSIP No. 46489B108 Page 2 of 8 Pages 1]